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Initial FDT infrastructure elements for ARM.
Reviewed by: imp Sponsored by: The FreeBSD Foundation
This commit is contained in:
Rafal Jaworowski
parent
ddf2705d57
commit
dc65d002dd
3 changed files with 193 additions and 0 deletions
68
sys/arm/include/fdt.h
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68
sys/arm/include/fdt.h
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/*-
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* Copyright (c) 2010 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Semihalf under sponsorship from
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* the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_FDT_H_
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#define _MACHINE_FDT_H_
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#include <dev/ofw/openfirm.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/pmap.h>
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#include <machine/intr.h>
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#include <arm/mv/mvvar.h>
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#include <arm/mv/mvwin.h>
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/*
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* This is the base virtual address the internal mem-mapped registers (IMMR)
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* range is available at.
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*/
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#define FDT_IMMR_VA MV_BASE
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/* Max interrupt number */
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#define FDT_INTR_MAX NIRQ
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/*
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* Bus space tag. XXX endianess info needs to be derived from the blob.
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*/
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extern bus_space_tag_t fdtbus_bs_tag;
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struct mem_region {
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vm_offset_t mr_start;
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vm_size_t mr_size;
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};
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int fdt_pci_devmap(phandle_t, struct pmap_devmap *devmap, vm_offset_t,
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vm_offset_t);
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#endif /* _MACHINE_FDT_H_ */
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37
sys/arm/include/ofw_machdep.h
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37
sys/arm/include/ofw_machdep.h
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/*-
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* Copyright (c) 2009 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Semihalf under sponsorship from
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* the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_OFW_MACHDEP_H_
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#define _MACHINE_OFW_MACHDEP_H_
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typedef uint32_t cell_t;
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#endif /* _MACHINE_OFW_MACHDEP_H_ */
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88
sys/dev/fdt/fdt_arm.c
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88
sys/dev/fdt/fdt_arm.c
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/*-
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* Copyright (c) 2010 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Semihalf under sponsorship from
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* the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <dev/fdt/fdt_common.h>
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#include <dev/ofw/ofw_bus.h>
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#include <dev/ofw/ofw_bus_subr.h>
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#include <dev/ofw/openfirm.h>
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#include <machine/fdt.h>
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#include "ofw_bus_if.h"
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static void
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fdt_fixup_busfreq(phandle_t root)
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{
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phandle_t sb;
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pcell_t freq;
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/*
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* This fixup sets the simple-bus bus-frequency property.
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*/
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if ((sb = fdt_find_compatible(root, "simple-bus", 1)) == 0)
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return;
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freq = cpu_to_fdt32(get_tclk());
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OF_setprop(sb, "bus-frequency", (void *)&freq, sizeof(freq));
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}
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struct fdt_fixup_entry fdt_fixup_table[] = {
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{ "mrvl,DB-88F6281", &fdt_fixup_busfreq },
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{ NULL, NULL }
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};
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static int
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fdt_pic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
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int *pol)
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{
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if (!fdt_is_compatible(node, "mrvl,pic"))
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return (ENXIO);
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*interrupt = fdt32_to_cpu(intr[0]);
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*trig = INTR_TRIGGER_CONFORM;
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*pol = INTR_POLARITY_CONFORM;
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return (0);
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}
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fdt_pic_decode_t fdt_pic_table[] = {
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&fdt_pic_decode_ic,
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NULL
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};
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